<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>icon-Sprites</title>
    <style>
        /* 1rem = 16px; */
    html{font-size:16px;}
    /* PS 
    1.px
    2.rem

    1.小图标素材 = 小图标容器
    2.小图标素材 不等= 小图标容器
     
    雪碧图  =>  background-size:宽度  高度？    
    cover + contain
    */
    body{
        background-color: #000;
    }
    .icon{
        width:32px;
        height:31px;
        background: url(index_z_0348131.png) no-repeat;
        /* x轴  y轴  -  负值 */
        background-position: -190px -199px;
    }
    .icon1{
        width:2rem;
        height:1.9rem;
        background: url(index_z_0348131.png) no-repeat;
        background-position: -190px -199px;
    }

    .icon2{
        width:16px;
        height:16px;
        background: url(index_z_0348131.png) no-repeat;
        background-position:  -95px -100px;
        background-size: 220px 199px;
    }
    </style>
</head>

<body>
    <div class="icon"></div>
    <div class="icon1"></div>
    <div class="icon2"></div>

</body>

</html>